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{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/F5OPUNEMVAN6HYT2GAYOI5RYBU3EDUTG/?format=api", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/?format=api", "message_id": "[email protected]", "message_id_hash": "F5OPUNEMVAN6HYT2GAYOI5RYBU3EDUTG", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/RQX4DLDIYY3MVVVNFRFO357N5UXLTUIQ/?format=api", "sender": { "address": "w5did (a) amsat.org", "mailman_id": "8da25cae70294f3687f590ebe6fded03", "emails": "https://mailman.amsat.org/hyperkitty/api/sender/8da25cae70294f3687f590ebe6fded03/emails/?format=api" }, "sender_name": "Louis McFadin", "subject": "[eagle] Re: CAN-Do-Too! ??????????", "date": "2007-07-17T01:10:05Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/XS3EWY6RYHGITTLQODX5J7FCKMQ6KMEZ/?format=api", "children": [ "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/LDYEMATPHOWAGT7RFRO2M2BOEY2NUK7J/?format=api", "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/5YA6YAI2PSWNKEE6HB2G35KZADZCBGUN/?format=api" ], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Chuck,\nMouser has a very large selection of D-sub connectors including the \nhigh density versions. Most are in stock.\nI see no inherent reason for not using them.\n\nLou McFadin\nW5DID\[email protected]\n\n\nOn Jul 16, 2007, at 7:19 PM, Chuck Green wrote:\n\n> I have had one experience with the high density D connectors. They \n> were much larger pin count than 9 or 15! After someone absolutely \n> insisted that we use them I did the board lay out. Turned out that \n> they were *totally* unavailable!!! I did the board layout again@#$% \n> &^* using standard Sub-D's. That was a number of years ago so I \n> would hope things have changed. If someone is absolutely confident \n> they can obtain the parts we need then I'm not at all opposed to \n> using them (remember, I'm not volunteering to do parts procurement \n> for this project; this is a good time to use someone that's good at \n> parts procurement).\n>\n> While at Goddard for P3D vib test I noticed NASA satellites using \n> standard Sub-D's. That was also a few years ago. Anyone know of \n> High Density Sub-D's being used on other satellites?\n>\n> Chuck\n>\n> Bdale Garbee wrote:\n>> On Tue, 2007-07-10 at 09:02 -0700, Chuck Green wrote:\n>>\n>>\n>>> The sub-miniature D connector series has served us well. If \n>>> anyone has *experience* with something they think might be a \n>>> better choice, we'd love to hear about it.\n>>>\n>>\n>> At the AMSAT annual meeting that was held near Washington, D.C., a\n>> couple of years ago (three?), someone approached me after the CAN-Do!\n>> talk that Stephen and I gave to ask why we weren't using the\n>> higher-density connectors that put 15 pins in the same shell size \n>> as the\n>> 9-pin version of the series we have been using... and followed up by\n>> sending me what looked like mil/aero-spec samples of such a part \n>> that I\n>> probably still have in my basement somewhere. I'm sorry that I can't\n>> recall at all who that person was, but it was someone who claimed \n>> to be\n>> using such connectors professionally with good results.\n>>\n>> At the time, we weren't likely to be redesigning the units any time\n>> soon, so I didn't take any action on this suggestion. If we're \n>> going to\n>> revisit the design and think we need more than 9 pins, it might be \n>> worth\n>> investigating higher density connectors like that?\n>>\n>> Bdale\n>>\n>>\n>>\n\n\n\n", "attachments": [ { "email": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/F5OPUNEMVAN6HYT2GAYOI5RYBU3EDUTG/?format=api", "counter": 2, "name": "attachment.html", "content_type": "text/html", "encoding": "iso-8859-1", "size": 7443, "download": "https://mailman.amsat.org/hyperkitty/list/[email protected]/message/F5OPUNEMVAN6HYT2GAYOI5RYBU3EDUTG/attachment/2/attachment.html" } ] }